Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual foi a margem de vitória para o Mississippi Gulf Resort Classic?
 ###Tabelas: CREATE TABLE election_results_1945–2000 (election_results_1945–2000_id AUTO_INCREMENT PRIMARY KEY, Election INT, # of candidates nominated INT, # of seats won INT, # of total votes INT, % of popular vote VARCHAR) CREATE TABLE cover_version (cover_version_id AUTO_INCREMENT PRIMARY KEY, Album VARCHAR, Release date VARCHAR, Label VARCHAR, Format VARCHAR, Covered Song VARCHAR, Original Song VARCHAR) CREATE TABLE doubles:_7_2_titles_5_runners-up (doubles:_7_2_titles_5_runners-up_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE champions_tour_wins_9 (champions_tour_wins_9_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR) CREATE TABLE first_round_proper (first_round_proper_id AUTO_INCREMENT PRIMARY KEY, Tie no VARCHAR, Home team VARCHAR, Score VARCHAR, Away team VARCHAR, Date VARCHAR)  
SELECT Margin of victory FROM champions_tour_wins_9 WHERE Tournament = mississippi gulf resort classic